74 lines
2.3 KiB
Ruby
74 lines
2.3 KiB
Ruby
# frozen_string_literal: true
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require "cases/helper"
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require "models/project"
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require "timeout"
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class PooledConnectionsTest < ActiveRecord::TestCase
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self.use_transactional_tests = false
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def setup
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@per_test_teardown = []
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@connection = ActiveRecord::Base.remove_connection.configuration_hash
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end
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teardown do
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ActiveRecord::Base.clear_all_connections!
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ActiveRecord::Base.establish_connection(@connection)
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@per_test_teardown.each(&:call)
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end
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# Will deadlock due to lack of Monitor timeouts in 1.9
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def checkout_checkin_connections(pool_size, threads)
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ActiveRecord::Base.establish_connection(@connection.merge(pool: pool_size, checkout_timeout: 0.5))
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@connection_count = 0
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@timed_out = 0
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threads.times do
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Thread.new do
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conn = ActiveRecord::Base.connection_pool.checkout
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sleep 0.1
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ActiveRecord::Base.connection_pool.checkin conn
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@connection_count += 1
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rescue ActiveRecord::ConnectionTimeoutError
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@timed_out += 1
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end.join
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end
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end
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def checkout_checkin_connections_loop(pool_size, loops)
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ActiveRecord::Base.establish_connection(@connection.merge(pool: pool_size, checkout_timeout: 0.5))
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@connection_count = 0
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@timed_out = 0
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loops.times do
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conn = ActiveRecord::Base.connection_pool.checkout
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ActiveRecord::Base.connection_pool.checkin conn
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@connection_count += 1
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ActiveRecord::Base.connection.data_sources
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rescue ActiveRecord::ConnectionTimeoutError
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@timed_out += 1
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end
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end
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def test_pooled_connection_checkin_one
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checkout_checkin_connections 1, 2
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assert_equal 2, @connection_count
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assert_equal 0, @timed_out
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assert_equal 1, ActiveRecord::Base.connection_pool.connections.size
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end
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def test_pooled_connection_checkin_two
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checkout_checkin_connections_loop 2, 3
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assert_equal 3, @connection_count
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assert_equal 0, @timed_out
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assert_equal 2, ActiveRecord::Base.connection_pool.connections.size
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end
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def test_pooled_connection_remove
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ActiveRecord::Base.establish_connection(@connection.merge(pool: 2, checkout_timeout: 0.5))
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old_connection = ActiveRecord::Base.connection
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extra_connection = ActiveRecord::Base.connection_pool.checkout
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ActiveRecord::Base.connection_pool.remove(extra_connection)
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assert_equal ActiveRecord::Base.connection, old_connection
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end
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end unless in_memory_db?
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